Screws and barrels

GJ Machinery specialise in the design and manufacture of screws and barrels used for plastics extruders.

We offer screws and barrels for wide range of extrusion machinery:

• Single and double screws
• Nitrided 
• Bimetallic 
• Varied geometry

Our engineers provide the following services for our Customers:

• Dimensioning
• Technical and production drawings
• Geometry analysis and advisory
• Selection of production material suitable for the processed material
• Composition analysis

We also manufacture plasticizing systems based on the clients screws and barrels technical drawings.

You can order a specific system based on your own design. Our screws and barrels are competitive in pricing and ensure the highest quality standards.